Finding the Fourth Proportional to 106,037.20, 158,939.16 and 43,673.68
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Solution
The fourth proportional to 106,037.20, 158,939.16 and 43,673.68 is: 65,462.48
Step by Step Solution
- Step 1: Write the proportion equation
106,037.20 : 158,939.16 = 43,673.68 : x - Step 2: Convert to fraction form
106,037.20/158,939.16 = 43,673.68/x - Step 3: Cross multiply
106,037.20x = 158,939.16 × 43,673.68 - Step 4: Simplify right side
106,037.20x = 6,941,458,013.31 - Step 5: Solve for x
x = 6,941,458,013.31/106,037.20 - Step 6: Final answer
x = 65,462.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.